GB/T51422-2021：建筑金属板围护系统检测鉴定及加固技术标准

GB-T51422-2021······1

1 总则······14

2 术语和符号······15

2.1 术语······15

2.2 符号······16

3 基本规定······18

3.1 一般规定······18

3.2 鉴定程序及工作内容······18

3.3 鉴定评级标准······21

3.4 加固与改造要求······24

4 现场调查和检查······26

4.1 资料调查······26

4.2 使用荷载调查······26

4.3 现状检查······26

5 检测······28

5.1 一般规定······28

5.2 检测方法和抽样方案······30

5.3 材料检验······31

5.4 抗风揭静态检测······32

5.5 抗风揭动态检测······32

5.6 水密性能检测······32

5.7 气密性能检测······33

5.8 热工性能检测······33

5.9 隔声性能检测······34

5.10 抗踩踏性能检测······35

5.11 检测作业安全······35

6 计算分析与校核······37

6.1 一般规定······37

6.2 鉴定计算和校核······37

6.3 加固设计计算······38

7 部件鉴定评级······42

7.1 一般规定······42

7.2 部件安全性鉴定评级······43

7.3 部件使用性鉴定评级······44

8 鉴定单元鉴定评级······47

8.1 鉴定单元安全性鉴定评级······47

8.2 鉴定单元使用性鉴定评级······47

8.3 鉴定单元可靠性鉴定评级······48

9 加固与改造······49

9.1 一般规定······49

9.2 檩条与墙梁加固······51

9.3 连接加固······51

9.4 金属板加固······52

9.5 节能改造······52

9.6 隔声改造······53

9.7 防水改造······53

9.8 防雷改造······54

10 检测与鉴定报告编写要求······55

10.1 检测报告······55

10.2 鉴定报告······55

附录A 抗风揭静态压力检测方法······57

附录B 抗风揭动态风荷载检测方法······59

咐录C 屋面系统水密性能检测方法······63

附录D 屋面系统气密性能检测方法······66

附录E 金属板现场抗拉拔检测方法······69

附录F 监测······72

本标准用词说明······73

引用标准名录······74

附：条文说明······75

1 总则······79

2 术语和符号······81

2.1 术语······81

2.2 符号······81

3 基本规定······82

3.1 一般规定······82

3.2 鉴定程序及其工作内容······83

3.3 鉴定评级标准······84

3.4 加固与改造要求······84

4 现场调查和检查······86

4.1 资料调查······86

4.2 使用荷载调查······86

4.3 现状检查······86

5 检测······88

5.4 抗风揭静态检测······88

5.5 抗风揭动态检测······88

5.6 水密性能检测······89

5.7 气密性能检测······89

5.9 隔声性能检测······90

5.10 抗踩踏性能检测······90

6 计算分析与校核······91

6.1 一般规定······91

6.2 鉴定计算和校核······92

6.3 加固设计计算······92

9 加固与改造······94

9.1 一般规定······94

9.2 檩条与墙梁加固······95

9.3 连接加周······96

9.4 金属板加固······96

9.5 节能改造······96

9.6 隔声改造······97

9.7 防水改造······98

附录A 抗风揭静态压力检测方法······99

附录B 抗风揭动态风荷载检测方法······100

附录C 屋面系统水密性能检测方法······101

附录D 屋面系统气密性能检测方法······103